Page 14
Owner’s Handbook
OPERATION STATE INDICATORS:
8.8.
flashes when power is applied.
ON
LIGHT is lit whenever the PROHEAT is enabled.
Pu
or Cool
Down (Purge) indicates that the heater is in the cool down state for 3 minutes after stopping burning fuel.
FUNCTION DIAGNOSTIC CODES:
Function codes indicate why the PROHEAT was shut down. It is possible to have two or more codes
alternating at the same time. For example, 03, 04, 03, 04, etc. A function code may be displayed in
conjunction with a component code. These codes indicate problems with the system interface to the
coolant, fuel and power system of the vehicle as well as mechanical failures of the components.
COMPONENT DIAGNOSTIC CODES:
This section covers individual electrical components. These codes indicate electrical faults
ONLY
.
Mechanical failures of a component are not detected electronically and will be indicated by a Function
Diagnostic Code. These diagnostic codes are not covered in this handbook. Refer to Installation
and Service manual 925860 at www.proheat.com
•
Diagnostic codes 13, 14, 19 and 21 to 29 will not shut the PROHEAT down. The heater will continue
to run, maintaining heat to the engine.
•
The fuel pump is driven by the compressor. The Fuel Pump code (08) is retained only for use on
earlier model PROHEATs.
•
The code number corresponds to the flashes indicated on the toggle switch or timer. Refer to the
PROHEAT Installation and Service manual 925860 at www.proheat.com for details.
Power On (Light)
Example:
LED Display showing
Code 01
Troubleshooting
Operation Indicators/Diagnostic Codes
N
ote
Summary of Contents for X45 plus
Page 1: ...OWNER S HANDBOOK ...
